Features: Solar power charging, don't need to charge by connecting car cigarette lighter LCD Digital displaying, clear to show tire information Rear-time monitoring preure & temperature of 4 tires Low air preure/high temperature alarm High Temperature / Leakage / Low Battery Alarm Wirele connect by sensors, easy install Specification: Type: Intelligent Solar TPMS Car Tire Preure Adhere to windscreen for installation Operating frequency: 433.92Mhz 20KHz Working Voltage: DC5 V(Sensor); 2.0-3.6V(Receiver) Working temperature: -20 -85 Preure Range: 0.1 - 3.5 Bar Package Included: 1 x Car TPMS 4 x External Sensors 4 x Nuts 1 x Spanner 1 x User Manual About Portable Tire Tester: Features: 100% Brand new and high quality LCD screen display with backlit for easy reading Small portable design, easy to hold and operate Preure units available: PSI, BAR, KPA, KGF/CM2 Accurate and quick measuring, reliable to use Manual power on/off and auto power off for power saving LED light at gauge nozzle, convenient to use even at night This Mini Tire Preure Gauge with easy-to-read LCD screen, is used to monitor your tyre preure, thereby extending tire life, increasing fuel efficiency and ensuring your safety.It is suitable for measuring tire air preure of cars, motorcycles,etc. Specifications: Test range: 0-150PSI Accuracy: 1PSI Resolution: 0.5PSI Units: PSI, BAR, KPA, KGF/CM2 Power supply: 1*3V CR2032 button battery (Included) Product size: As the picture Material: ABS Package included: 1* Tyre preure guage